Kanji 量 quantity, measure, weight 子 child, sign of the rat, 11PM-1AM 仮 sham, temporary, interim 説 opinion, theory, explanation Related words 量りょう 子し 論ろん 量子論 (quantum theory) is the broader theoretical framework that developed from Planck's quantum hypothesis and includes later quantum mechanics.
黒こく 体たい 放ほう 射しゃ 黒体放射 (black-body radiation) is the phenomenon that Planck's quantum hypothesis was originally formulated to explain.
Etymology Named after the German physicist Max Planck (プランク ). The term is a direct translation of 'Planck's quantum hypothesis' into Japanese, combining the katakana name プランク with the native Japanese words 量子 (quantum) and 仮説 (hypothesis).
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